4.16.0

What's Changed

• Add 4.15.0 release notes by Iarek Kovtunenko (@iarekk) in #4050
• Post-release 4.15.0: mark APIs shipped and bump version by Iarek Kovtunenko (@iarekk) in #4060
• Add Sidecar 1.1.2 changelog by Tanuj Sood (@soodt) in #4070
• Fix FIC telemetry enrichment during credential warm-up and assertion cache hits by Neha Bhargava (@neha-bhargava) in #4072
• Update agentic docs to cover current behavior by Avery-Dunn in #4077
• Bump the notsecurity group with 4 updates by Dependabot (@dependabot)[bot] in #4074

Full Changelog: 4.15.0...4.16.0